Home / 274,369,722.69-411,488,687.31-126,675,377.62

Finding the Fourth Proportional to 274,369,722.69, 411,488,687.31 and 126,675,377.62

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Solution

The fourth proportional to 274,369,722.69, 411,488,687.31 and 126,675,377.62 is: 189,982,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,369,722.69 : 411,488,687.31 = 126,675,377.62 : x
  2. Step 2: Convert to fraction form
    274,369,722.69/411,488,687.31 = 126,675,377.62/x
  3. Step 3: Cross multiply
    274,369,722.69x = 411,488,687.31 × 126,675,377.62
  4. Step 4: Simplify right side
    274,369,722.69x = 52,125,484,851,352,352
  5. Step 5: Solve for x
    x = 52,125,484,851,352,352/274,369,722.69
  6. Step 6: Final answer
    x = 189,982,642.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.